java头像选择系统-凯发k8官方网

【实例简介】

【实例截图】

【核心代码】

头像选择

package com.zhy.utils;

import java.util.list;

import android.content.context;

import android.graphics.drawable.bitmapdrawable;

import android.view.motionevent;

import android.view.view;

import android.view.view.ontouchlistener;

import android.widget.popupwindow;

public abstract class basepopupwindowforlistview extends popupwindow

{

/**

* 布局文件的最外层view

*/

protected view mcontentview;

protected context context;

/**

* listview的数据集

*/

protected list mdatas;

public basepopupwindowforlistview(view contentview, int width, int height,

boolean focusable)

{

this(contentview, width, height, focusable, null);

}

public basepopupwindowforlistview(view contentview, int width, int height,

boolean focusable, list mdatas)

{

this(contentview, width, height, focusable, mdatas, new object[0]);

}

public basepopupwindowforlistview(view contentview, int width, int height,

boolean focusable, list mdatas, object... params)

{

super(contentview, width, height, focusable);

this.mcontentview = contentview;

context = contentview.getcontext();

if (mdatas != null)

this.mdatas = mdatas;

if (params != null && params.length > 0)

{

beforeinitweneedsomeparams(params);

}

setbackgrounddrawable(new bitmapdrawable());

settouchable(true);

setoutsidetouchable(true);

settouchinterceptor(new ontouchlistener()

{

@override

public boolean ontouch(view v, motionevent event)

{

if (event.getaction() == motionevent.action_outside)

{

dismiss();

return true;

}

return false;

}

});

initviews();

initevents();

init();

}

protected abstract void beforeinitweneedsomeparams(object... params);

public abstract void initviews();

public abstract void initevents();

public abstract void init();

public view findviewbyid(int id)

{

return mcontentview.findviewbyid(id);

}

protected static int dptopx(context context, int dp)

{

return (int) (context.getresources().getdisplaymetrics().density * dp 0.5f);

}

}

总结

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